What are the ways to implement Mini Program with c language
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[program 1]
Topic: there are 1, 2, 3, 4 digits, how many three digits that are different from each other and have no repetition? How much is it?
1. Program analysis: the numbers that can be filled in 100 digits, ten digits and individual digits are 1, 2, 3 and 4. Make up all the permutations and then remove those that do not meet the conditions.
two。 Program source code
Main () {int iJournal jpr kten printf ("\ n"); for (iMagnesti